#include <stdlib.h>
#include <iostream>
#include <cstdio>
//#include <conio.h>
#include <math.h>
#include <fstream>
#include <vector>
#include "BlackScholes.h"

using namespace std;

double FindImpliedVol(int type, double underly, double stke, 
double tme, double riskfree, double div, double opt_price);
